Montblanc MB0461S Round Sunglasses combine a classic round silhouette with a sturdy acetate frame for reliable everyday sun protection and refined style. Key attributes: Brown | Havana | Acetate | UV400 / 100% UV protection | Prescription compatible | Includes case and cleaning cloth | Round shape | Full-rim frame | Havana tortoiseshell pattern | Grey lenses | Dimensions & fit: Lens width: 49 mm | Bridge: 20 mm | Temple length: 145 mm | Composition & care: Acetate frame | lenses | Clean lenses with warm water and a soft, lint-free cloth. Avoid household cleaners and abrasive materials. Store in the supplied case when not in use. Adjust frames with a mini-screwdriver or at an optical retailer as needed.